A lack of vitamin B12 (vitamin B12 deficiency) causes the signs and symptoms of pernicious anemia. Without enough vitamin B12, your body can't make enough healthy red blood cells, which causes anemia. Some of the signs and symptoms of pernicious anemia apply to all types of anemia. Other signs and symptoms are specific to a lack of vitamin B12.
Never understood why it's the norm for guys to wear watches on their left hand, and girls are supposed to wear them on the right hand. Date Posted: Apr 2, 2009 #2. Not gay. feminine.
The story of wearing your wedding ring on the left hand can be traced back to ancient Roman and Greek times (really!). Back in that day, the Romans believed that the vein in the ring finger (the fourth finger) on the left hand ran directly to one's heart. Because of this belief, they called that vein the vena amoris or vein of love.